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https://www.readbyqxmd.com/read/29368214/the-meninges-as-barriers-and-facilitators-for-the-movement-of-fluid-cells-and-pathogens-related-to-the-rodent-and-human-cns
#1
REVIEW
Roy O Weller, Matthew M Sharp, Myron Christodoulides, Roxana O Carare, Kjeld Møllgård
Meninges that surround the CNS consist of an outer fibrous sheet of dura mater (pachymeninx) that is also the inner periosteum of the skull. Underlying the dura are the arachnoid and pia mater (leptomeninges) that form the boundaries of the subarachnoid space. In this review we (1) examine the development of leptomeninges and their role as barriers and facilitators in the foetal CNS. There are two separate CSF systems during early foetal life, inner CSF in the ventricles and outer CSF in the subarachnoid space...
January 24, 2018: Acta Neuropathologica
https://www.readbyqxmd.com/read/29339320/primary-obstruction-of-the-foramen-of-luschka-anatomy-histology-and-clinical-significance
#2
Laszlo Barany, Gabor Baksa, Patonay Lajos, Gergely Racz, Oliver Ganslandt, Michael Buchfelder, Peter Kurucz
BACKGROUND: The foramen of Luschka is a natural aperture between the fourth ventricle and the subarachnoid space at the cerebellopontine angle (CPA). Membranous closure of this foramen is referred to as primary obstruction. The available information about this variant and its role in the development of the cysts of the posterior fossa are contradictory in the literature. METHODS: Sixty-one formalin-fixed human brains (122 foramina) were involved in this study. Both the macroscopic and the histological features of the obstructed foramina were examined...
January 12, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29258935/low-retrosigmoid-infratonsillar-approach-to-lateral-medullary-lesions
#3
Baran Bozkurt, M Yashar S Kalani, Kaan Yağmurlu, Evgenii Belykh, Mark C Preul, Peter Nakaji, Robert F Spetzler
OBJECTIVE: In our study, we comprehensively detail the technique of the low retrosigmoid approach to the lateral medullary area, including the inferior cerebellar peduncle, postolivary sulcus, pontomedullary sulcus, and inferior olivary nucleus, as well as the lateral recess of the fourth ventricle. METHODS: Four formalin-fixed, silicone-injected, cadaveric human heads were examined under the operating microscope to demonstrate the pertinent descriptive anatomy using the low retrosigmoid approach in a stepwise manner...
December 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28735671/choroid-plexus-cyst-in-a-neonatal-burmeister-s-porpoise-phocoena-spinipinnis
#4
J Díaz-Delgado, K R Groch, M W Wiegand, E R Secchi, R Réssio, F C C Natália, J L Catão-Dias
Neuroectodermal developmental anomalies are reported rarely in cetaceans and central nervous system cysts are not described. We describe the gross, microscopical, histochemical and immunohistochemical features of a neuraxial myelencephalic cyst in a stranded neonatal Burmeister's porpoise (Phocoena spinipinnis). Grossly, a subdural, extra-axial, well-demarcated, yellow fluid-filled cystic structure (1.9 × 1.6 × 1 cm) expanded the left foramen of Luschka, the left caudolateral cerebellar recess and the left cranioventral myelencephalon...
July 2017: Journal of Comparative Pathology
https://www.readbyqxmd.com/read/28735380/the-midline-suboccipital-subtonsillar-approach-to-the-cerebellomedullary-cistern-how-i-do-it
#5
Stephan Herlan, Florian Roser, Florian H Ebner, Marcos Tatagiba
BACKGROUND: Lesions lateral to the lower brainstem in an area extending from the foraminae of Luschka to the foramen magnum are rare and include different pathologies. There is no consensus on an ideal surgical approach. METHOD: To gain access to this area, we use the midline suboccipital subtonsillar approach (STA). This midline approach with unilateral retraction of the cerebellar tonsil enables entry into the cerebellomedullary cistern. CONCLUSIONS: The STA offers excellent access with a panoramic view of the cerebellomedullary cistern and its structures and therefore can be useful for a number of different pathologies in the lower petroclival area...
July 22, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28676975/a-comprehensive-review-of-the-foramina-of-luschka-history-anatomy-embryology-and-surgery
#6
REVIEW
Jaspreet Johal, Phillip Barrett Paulk, Peter C Oakes, Rod J Oskouian, Marios Loukas, R Shane Tubbs
PURPOSE: The purpose of this review is to comprehensively review the foramina of Luschka in regard to their discovery, embryology, anatomy, and surgical relevance. METHODS: This subject review of the foramina of Luschka was composed after conducting a thorough review of the available literature on this topic using PubMed and other primary sources. RESULTS: The foramina of Luschka are paired apertures located in the lateral recesses of the fourth ventricle, within the posterior cranial fossa...
July 4, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28658786/xanthogranulomatous-cholecystitis-with-florid-ducts-of-luschka-double-trouble-mimicking-malignancy
#7
Archana Shetty, Mudasser Rehan, V Geethamani
Xanthogranulomatous Cholecystitis (XGC) is an uncommon inflammatory condition of gall bladder, which is often misdiagnosed as malignancy preoperatively, leading to extensive surgical resections which may not be necessary for the patient. Ducts of Luschka are a rare developmental variant of the biliary tree, which are prone to injury and bile leak during cholecystectomy. We report a case of a 52-year-old male patient who was taken up for surgery with a provisional diagnosis of chronic calculous cholecystitis...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28584917/morphometry-and-microsurgical-anatomy-of-bochdalek-s-flower-basket-and-the-related-structures-of-the-cerebellopontine-angle
#8
Laszlo Barany, Gabor Baksa, Lajos Patonay, Oliver Ganslandt, Michael Buchfelder, Peter Kurucz
BACKGROUND: Bochdalek's flower basket (Bfb) is the distal part of the horizontal segment of the fourth ventricle's choroid plexus protruding through the lateral aperture (foramen of Luschka). The microsurgical anatomy of the cerebellopontine angle, fourth ventricle and its inner choroid plexus is well described in the literature, but only one radiological study has investigated the Bfb so far. The goal of the present study was to give an extensive morphometric analysis of the Bfb for the first time and discuss the surgically relevant anatomical aspects...
June 6, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28505503/intracranial-neurenteric-cyst-mimicking-an-ependymoma-imaging-features-pathologic-correlation-and-review-of-literature
#9
Steve M Nelson, Derek A Mathis, Joseph K Hobbs, Vincent M Timpone
We present a case of a 57-year-old female with four-months of diplopia and vertigo. MRI revealed a mixed cystic and solid partially enhancing lesion of the 4th ventricle, foramen of Luschka and cerebellopontine angle. Preoperative differential diagnosis favored ependymoma. Biopsy revealed a neurenteric cyst, a benign developmental lesion that rarely occurs intracranially. This case highlights several atypical manifestations of intracranial neurenteric cyst, with regions of histologically benign solid enhancement, multicompartmental extra-axial location mimicking an ependymoma, and rapid recurrence without evidence of underlying malignancy...
July 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28504571/the-legend-of-the-luschka-tubercle-and-its-association-with-snapping-scapulae-osseous-morphology-of-snapping-scapulae-on-ct-images
#10
Tobias J Dietrich, Christoph A Agten, Philipp Fürnstahl, Lazaros Vlachopoulos, Christian W A Pfirrmann
OBJECTIVE: The purpose of this article is to determine the osseous morphology of snapping scapulae on CT images. MATERIALS AND METHODS: Retrospectively, 2D and 3D CT images of the scapulae of 35 patients with snapping scapula were compared with 35 age-matched control group subjects. Two observers analyzed the following parameters: presence of the Luschka tubercle; abnormalities of the bones and periscapular soft tissues; shape, thickness, and length of the superior angle of the scapula; craniocaudal length of the scapula; minimum distance between the scapula and rib cage; depth of the subscapular fossa; and the superomedial angle...
July 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28297693/-a-case-of-central-type-disc-herniation-at-the-c7-t1-level-presenting-with-myelopathy
#11
Masatoshi Yunoki, Takahiro Kanda, Kenta Suzuki, Atsuhito Uneda, Koji Hirashita, Kimihiro Yoshino
In contrast to other levels of upper disc spaces, the Luschka joints are usually absent at the C7/T1 disc space. Therefore, it has been reported that the C7/T1 disc herniation is prone to herniate laterally rather than centrally. In this manuscript, we describe an extremely rare central-type disc herniation at the C7/T1 level presented with myelopathy. A 76-year-old man presented with a 20-day history of progressive gait disturbance. Physical examination revealed bilateral lower extremity hyperreflexia and mild foot numbness with no upper extremity motor weakness or sensory disturbance...
March 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28281992/single-center-experience-with-subvesical-bile-ducts-ducts-of-luschka
#12
Hiroya Iida, Yoichi Matsui, Masaki Kaibori, Kosuke Matsui, Morihiko Ishizaki, Hiroshi Hamada, Masanori Kon
No abstract text is available yet for this article.
February 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28239085/endoscopic-nasobiliary-drainage-for-bile-leak-caused-by-injury-to-the-ducts-of-luschka
#13
Soon Young Ko, Jeong Rok Lee, Joon Ho Wang
A 51-year-old man underwent laparoscopic cholecystectomy for gallbladder stones. He had developed fever, chills, and abdominal pain four days after the procedure. In the drain tube, bile was persistently observed. An endoscopic retrograde cholangiopancreatography (ERCP) showed a leakage from the small duct into the right intrahepatic duct. We determined that the bile leak was caused by an injury to the ducts of Luschka. An endoscopic sphincterotomy (ES) using a 5-F nasobiliary tube (NBT) was performed, and the leak was resolved in five days...
February 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28228189/single-center-experience-with-subvesical-bile-ducts-ducts-of-luschka
#14
Hiroya Iida, Yoichi Matsui, Masaki Kaibori, Kosuke Matsui, Morihiko Ishizaki, Hiroshi Hamada, Masanori Kon
No abstract text is available yet for this article.
February 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28153613/fourth-ventricle-outlet-obstruction-with-expanding-space-on-the-surface-of-cerebellum
#15
Yoshiteru Shimoda, Kensuke Murakami, Norio Narita, Teiji Tominaga
BACKGROUND: Hydrocephalus is classified as noncommunicating and communicating based on whether all ventricular and subarachnoid spaces are communicating. Although the diagnosis between the two different states is crucial, it is difficult in certain conditions. In particular, communicating hydrocephalus and noncommunicating hydrocephalus owing to fourth ventricle outlet obstruction are highly misdiagnosed. We describe a case of fourth ventricle outlet obstruction of unknown origin that was initially misdiagnosed as communicating hydrocephalus...
April 2017: World Neurosurgery
https://www.readbyqxmd.com/read/27913261/typical-symptoms-of-normal-pressure-hydrocephalus-caused-by-choroid-plexus-papilloma-in-the-cerebellopontine-angle
#16
Hiroshi Ito, Yukiko Nakahara, Masatou Kawashima, Jun Masuoka, Tatsuya Abe, Toshio Matsushima
BACKGROUND: Choroid plexus papillomas (CPPs) are rare benign intracranial tumors. We report a rare case of CPP manifesting with typical symptoms of normal-pressure hydrocephalus rather than obstructive hydrocephalus. CASE DESCRIPTION: A 45-year-old woman presented with a 6-year history of headache and typical symptoms of normal-pressure hydrocephalus, including gait disturbance, urinary incontinence, and cognitive dysfunction, in addition to the more common symptoms of CPP, such as lower cranial nerve dysfunctions and ataxia...
February 2017: World Neurosurgery
https://www.readbyqxmd.com/read/27790313/age-related-incidence-of-cervical-spondylosis-in-residents-of-jeju-island
#17
Myung-Sang Moon, Min-Geun Yoon, Bong-Keun Park, Min-Suk Park
STUDY DESIGN: Cervical spine radiograms of 460 Jeju islanders. PURPOSE: To investigate the age-matched incidences and severity of the cervical disc degeneration and associated pathologic findings. OVERVIEW OF LITERATURE: Several related studies on the incidences of disc and Luschka's and facet joint degeneration have provided some basic data for clinicians. METHODS: Cervical radiographs of 460 (220 males and 240 females) patients in their fourth to ninth decade were analyzed...
October 2016: Asian Spine Journal
https://www.readbyqxmd.com/read/27157502/temporary-removal-characteristics-of-patients-with-herniated-discs-at-the-cervicothoracic-junction
#18
Ho Kyu Paik, Sang-Soak Ahn, Jong Yeol Kim, Dal Sung Ryu, Kyung-Hyun Kim, Dong-Kyu Chin, Keun-Su Kim, Yong-Eun Cho, Sung-Uk Kuh
The publisher regrets that this article has been temporarily removed. A replacement will appear as soon as possible in which the reason for the removal of the article will be specified, or the article will be reinstated. The full Elsevier Policy on Article Withdrawal can be found at http://www.elsevier.com/locate/withdrawalpolicy.
May 5, 2016: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/26981475/palatopharyngeus-the-missing-palatal-muscles-anatomical-and-physiological-review
#19
REVIEW
Abdelrahman E M Ezzat, Hanna M El-Shenawy
The first true anatomical descriptions of the normal anatomy of the palate and pharynx were published by Von Luschka in 1868, and then in 1935 anatomist James Whillis described pharyngeal sphincter. Later, in 1941 Michael Oldfield noted that the muscular elements of the soft palate have a sling-like function. Although there have been conflicting descriptions of the role of the palatopharyngeus, multiple function such as speech, swallowing, and respiration, it could role in all this function. Although, the palatopharyngeus muscle has many important functions, but it remains the missing muscle that we need to know more about it...
July 2015: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/26474581/management-of-bile-leak-from-luschka-ducts-after-laparoscopic-cholecystectomy-an-original-procedure-for-coil-embolization
#20
LETTER
Giancarlo Salsano, Francesco Paparo, Alessandro Valdata, Lorenzo Patrone, Marco Filauro, Gian Andrea Rollandi, Giovanni De Caro
No abstract text is available yet for this article.
March 2016: Cardiovascular and Interventional Radiology
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